event_rabbitmq: fix exchange parsing

Many thanks to Ovidiu Sas (@ovidiusas) for brainstorimg

Author: razvancrainea

modules/event_rabbitmq/event_rabbitmq.c

@@ -398,7 +398,6 @@ static evi_reply_sock* rmq_parse(str socket)
 				st = ST_HOST;
 				if (dupl_string(&tmp, begin, socket.s + i)) goto err;
 				param->conn.uri.user = tmp.s;
-				param->conn.uri.user[tmp.len] = '\0';
 				begin = socket.s + i + 1;
 				param->conn.flags |= RMQ_PARAM_USER;
 				break;
@@ -503,7 +502,7 @@ static evi_reply_sock* rmq_parse(str socket)
 						if (dupl_string(&tmp, it->s.s+RMQ_EXCHANGE_LEN,
 							it->s.s + it->s.len) < 0)
 							goto err;
-						memcpy((char *)param->conn.exchange.bytes, tmp.s, tmp.len);
+						param->conn.exchange.bytes = tmp.s;
 						param->conn.exchange.len = tmp.len;
 						param->conn.flags |= RMQ_PARAM_EKEY;
 					} else if (it->s.len > RMQ_TLS_DOM_LEN &&